730274288645 has 32 divisors (see below), whose sum is σ = 961613807616. Its totient is φ = 527990817600.

The previous prime is 730274288641. The next prime is 730274288647. The reversal of 730274288645 is 546882472037.

It is not a de Polignac number, because 730274288645 - 2² = 730274288641 is a prime.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730274288641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17070272 + ... + 17112998.

It is an arithmetic number, because the mean of its divisors is an integer number (30050431488).

Almost surely, 2^730274288645 is an apocalyptic number.

It is an amenable number.

730274288645 is a deficient number, since it is larger than the sum of its proper divisors (231339518971).

730274288645 is a wasteful number, since it uses less digits than its factorization.

730274288645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44561.

The product of its (nonzero) digits is 18063360, while the sum is 56.

The spelling of 730274288645 in words is "seven hundred thirty billion, two hundred seventy-four million, two hundred eighty-eight thousand, six hundred forty-five".